19815002

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{2039}}^1$

素因数の和:2197

約数の個数: 16

約数和(自身を含む): 30697920

約数和(自身を除く): 10882918

約数列:

[1, 2, 43, 86, 113, 226, 2039, 4078, 4859, 9718, 87677, 175354, 230407, 460814, 9907501, 19815002]

約数ペア:

[(1, 19815002), (2, 9907501), (43, 460814), (86, 230407), (113, 175354), (226, 87677), (2039, 9718), (4078, 4859)]